CN104250425A - Silica nanopowder modified epoxy resin earthquake physical model material and preparation method thereof - Google Patents
Silica nanopowder modified epoxy resin earthquake physical model material and preparation method thereof Download PDFInfo
- Publication number
- CN104250425A CN104250425A CN201310258122.6A CN201310258122A CN104250425A CN 104250425 A CN104250425 A CN 104250425A CN 201310258122 A CN201310258122 A CN 201310258122A CN 104250425 A CN104250425 A CN 104250425A
- Authority
- CN
- China
- Prior art keywords
- physical model
- epoxy resin
- model material
- nanometer powder
- silica nanometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
The invention discloses a silica nanopowder modified epoxy resin earthquake physical model material and a preparation method thereof. The model material comprises, by weight, 100 parts of epoxy resin, 80-100 parts of a 650 type curing agent and 1-10 parts and preferably 5-6 parts of silica nanopowder. The method is characterized in that the earthquake physical model material is prepared through curing 100 parts of the epoxy resin and 1-10 parts and preferably 5-6 parts of the silica nanopowder by 80-100 parts of the curing agent. The earthquake physical model material with the sound wave propagation speed of 2557-2871m/s can be prepared by changing the proportion of the silica nanopowder in the epoxy resin. The preparation method adopting the silica nanopowder to dope and modify the epoxy resin shortens the curing time and effectively improves the preparation efficiency of an earthquake physical model, and the above novel material has high penetrability, effectively improves the sound wave propagation speed and lays a foundation for the making of large earthquake physical models.
Description
Technical field
The present invention relates to seismic physical model field, furtherly, relate to a kind of seismic physical model material of silica nanometer powder modified epoxy.
Background technology
Along with going deep into of petroleum prospecting work, difficulties in exploration is also increasing, many geological phenomenons and wave field communication theory need to obtain further checking with perfect, method of exploration also needs to be further developed, physical model simulation technique is one of gordian technique of geophysical research, is important " assistant " that be engaged in theoretical question research.
Seismic physical modeling technology is in the lab, excited and Received signal strength by ultrasonic transducer, thus utilize ultrasonic wave to simulate field seismic wave, obtain earthquake simulation data volume, in the lab by seismic physical model, disclose the propagation law of seismic wave in complex structure.Cast material simulation technique is the basis of forward physical model simulation, current domestic Ge great institutes and colleges and universities mainly use the method for asphalt mixtures modified by epoxy resin casting, according to high-speed stratum needs, prepare the material of velocity of wave at 2600m/s, but there is following shortcoming in epoxide resin material:
One is in existing formula, and epoxy curing agent generally adopts 650 types, and because 650 type solidifying agent activity are low, curing speed is slow, so in model casting process, set time is longer, and the serious efficiency that have impact on molding.
Two is in existing formula, and the highest velocity of wave of model prepared reaches 2600m/s, can not simulate the demand of actual formation, unfavorable to making complex structure model.
Summary of the invention
For solving produced problem in prior art, the invention provides a kind of seismic physical model material and preparation method of silica nanometer powder modified epoxy.Shorten set time, effectively raise the efficiency preparing seismic physical model, and type material has higher penetrance, effectively raises acoustic wave propagation velocity, for the making of seismic physical large-sized model is laid a good foundation.
An object of the present invention is to provide a kind of seismic physical model material of silica nanometer powder modified epoxy.
Comprise the following component of solidification:
Epoxy resin 100 weight part
650 type solidifying agent 80-100 weight parts
Silica nanometer powder 1-10 weight part, preferred 5-6 weight part.
Epoxy resin is preferably the epoxy resin of viscosity in 11000-14000mPas scope, more preferably E-51 type epoxy resin.
650 type solidifying agent molecular weight 1000 ~ 1500, light yellow glutinous thick liquid, density (75 DEG C) 0.92 ~ 0.96g/cm & sup3; Amine value 230 ~ 260mg KOH/g, viscosity (75 DEG C) 3000 ~ 1000mPas.Versamid composition is comparatively complicated, containing primary amine, secondary amine and amide group, and can at room temperature cured epoxy resin.
The particle size range of silica nanometer powder: 7-40nm.
Seismic physical model experiment is, in laboratory, the tectonic structure in field and geologic body are made into geologic model according to 1:10000 scaled down, and by the method such as ultrasonic wave or laser ultrasonic, field method of seismic prospecting is carried out to a kind of earthquake simulation method of forward simulation
By the seismic physical model material of special seismic physical model Preparation equipment and preparation technology's synthesizing new, similarity principle is utilized to build seismic physical model, actual physical model is approached by setting up to compare, explore and be familiar with the propagation law of seismic wave in complex structure and fracture cave reservoir, for oil-gas exploration and development provides favourable foundation, simultaneously for the making of physical model is from now on laid a good foundation.
The investment of seismic physical model experimental study is little, compared with mathematical model, its maximum advantage is exactly the verity of seismic physical model analog result, and not by the restriction of method of calculation, assumed condition, thus seismic physical model is subject to the great attention of domestic and international each oil company and university.The application of seismic physical model experiment in oil and gas exploration, exploitation is more and more extensive.Play an important role in oil and gas exploration, the developments such as theory of earthquake wave research and complex structure, fracture zone detection, crosshole seismic research and deposit dynamic monitoring
After pure epoxy resin solidification, the acoustic wave propagation velocity of material is 2600m/s, by silica nanometer powder doping vario-property epoxy resin, the effective ways improving epoxide resin material velocity of wave, and because 650 type solidifying agent activity are lower, curing speed is slow, so in model casting process, set time is longer, the serious efficiency that have impact on molding.By silica nanometer powder doping vario-property epoxy resin seismic physical model, set time shortens, and the wave velocity of material increases substantially, it is ideal material prepared by seismic physical model, the present invention is applied to seismic physical model Material Field silica nanometer powder material first, silica nanometer powder can disperse in the epoxy uniformly, the phenomenon of reunion can not be produced, at use 650 type solidifying agent, participate in the chemical reaction of doping vario-property material, the material prepared has good penetrance.Owing to choosing silica nanometer powder, after when silica nanometer powder, doping ratio reaches 5% in the epoxy, i.e. epoxy resin, the speed of material reaches maximum value 2871m/s, after continuing the doping ratio of increase silica nanometer powder, the speed of material reduces on the contrary.
Two of object of the present invention is to provide a kind of preparation method of seismic physical model material of silica nanometer powder modified epoxy.
Comprise:
Described component is by obtained described seismic physical model material after described consumption solidification.
Curing can adopt the common curing in this area, can preferably carry out according to the following steps in the present invention:
1. pretreatment
According to the demand of model materials, a certain amount of epoxy resin E51 is placed in baking oven 50 DEG C of preheatings 1 hour, then take out vacuumize 30 minutes for subsequent use.
2. mould pre-treatment
After making mould, be coated with one deck release materials at mould inner surface, the general silicon rubber that adopts, as release coating, to wait after silicon rubber glue fixed casting mold again.
3. material configuration
To be weighed by material after process by recipe requirements, first 650 type solidifying agent and silica nanometer powder are carried out uniform stirring, then interpolation epoxy resin makes it stir wherein.
4. vacuumize cast model
Material prepares and after stirring, vacuumizes process 10 minutes, then pour in packaged mould, when i.e. collapsible die after its completion of cure.
The present invention is different by changing silica nanometer powder ratio shared in the epoxy, the specimen acoustic wave velocity of propagation prepared by silica nanometer powder doping vario-property epoxy resin is increased than pure epoxy resin, and acoustic wave propagation velocity is respectively the seismic physical model material of 2557m/s-2871m/s.
The effect of invention:
1) the type material wave velocity after silica nanometer powder doping vario-property increases, and the highest velocity of wave reaches 2871m/s.
2) type material after silica nanometer powder doping vario-property has good penetrance, the highlyest can reach 420mv.
3) type material shortening set time after silica nanometer powder doping vario-property, the effective seismic physical model that improves prepares speed.
Accompanying drawing explanation
The seismic physical model material velocity figure of Fig. 1 embodiment and comparative example
The acoustic wave propagation velocity of seismic physical model material of Fig. 2 embodiment and comparative example and the graph of a relation of amplitude
The different speed of the seismic physical model material of Fig. 3 embodiment and comparative example and the graph of a relation of curing time
Embodiment
Below in conjunction with embodiment, further illustrate the present invention.
The raw material that embodiment is used:
Epoxy resin E51: Phoenix brand E51 epoxy resin, trade mark WRS618, place of production jiangsu wuxi; Viscosity is at 12000-15000mPas.
650 type solidifying agent: the hot oil pump casting of Changzhou scape China manufactures solidifying agent, the trade mark 650; Changzhou, the place of production.
Silica nanometer powder: Aladdin reagent, Shanghai, article No. S104585 specification 99.5%50 ± 5nm place of production.
Embodiment 1 ~ 7
Epoxy resin E51 is placed in baking oven 50 DEG C of preheatings 1 hour, then takes out and vacuumize 30 minutes, get rid of the bubble in epoxy resin;
Material weighed after process by recipe requirements, first 650 type solidifying agent and silica nanometer powder are carried out uniform stirring;
The epoxy resin handled well is added in above-mentioned materials, then stirs and make it fully mix;
Material prepares and after stirring, vacuumizes process 10 minutes, then pour in packaged mould, when i.e. collapsible die after its completion of cure.
Concrete formula is in table 1.
Table 1(consumption is with parts by weight)
Comparative example:
For the seismic physical model material made without the epoxy resin of silica nanometer powder modification.Formula is in table 1.
Comparative example 1 uses pure epoxy resin, and solidifying agent uses highly active 650 type solidifying agent, and set time is long, affects seismic physical model preparation efficiency.
Embodiment 1 ~ 7 is for improving velocity of wave formula, and active 650 lower type solidifying agent still selected by solidifying agent, owing to taking silica nanometer powder doping vario-property formula, shortened set time, and the effective seismic physical model that improves prepares speed.
The seismic physical model material velocity figure of Fig. 1 comparative example and embodiment, represent and adulterated by silica nanometer powder, the material acoustic wave propagation velocity of material is improved, after when silica nanometer powder, doping ratio reaches 5% in the epoxy, the acoustic wave propagation velocity of material reaches maximum value 2871m/s, after continuing the doping ratio of increase silica nanometer powder, the speed of material reduces on the contrary, by the novel seismic physical model material after silica nanometer powder doping vario-property, can effective simulate formation rock elasticity structure, make physical model, carry out physical simulation of seismic exploration Physical Experiment.
The acoustic wave propagation velocity of seismic physical model material of Fig. 2 comparative example and embodiment and the graph of a relation of amplitude, the size of amplitude represents the power representing seismic physical model material permeability ability with ultrasonic excitation seismic wave, the experimental performance of illustrative material is good and bad, data by experiment, can obtain the penetrance of the epoxide resin material of order silica nanometer powder doping content much larger than pure epoxy resin.
Fig. 3 is the different speed of the seismic physical model material of comparative example and embodiment and the graph of a relation of curing time, and the stability of cast material speed is described, the acoustic wave propagation velocity of the seismic physical model material of embodiment tends towards stability substantially after 8 days.The present invention is by changing silica nanometer powder ratio shared in the epoxy, and obtained acoustic wave propagation velocity is respectively the seismic physical model material of 2557m/s-2871m/s.Adopting the preparation technology of silica nanometer powder doping vario-property epoxy resin, shorten set time, effectively raise the efficiency preparing seismic physical model, and type material has higher penetrance, effectively raise acoustic wave propagation velocity, for the making of seismic physical large-sized model is laid a good foundation.
Claims (4)
1. a seismic physical model material for silica nanometer powder modified epoxy, is characterized in that described cast material comprises the following component of solidification:
Epoxy resin 100 weight part;
650 type solidifying agent 80-100 weight parts;
Silica nanometer powder 1-10 weight part;
The particle size range of described silica nanometer powder: 7-40nm.
2. the seismic physical model material of silica nanometer powder modified epoxy as claimed in claim 1, is characterized in that:
Silica nanometer powder 5-6 weight part.
3. the seismic physical model material of silica nanometer powder modified epoxy as claimed in claim 1, is characterized in that:
Described epoxy resin is the epoxy resin of viscosity in 11000-14000mPas scope.
4. a preparation method for the silica nanometer powder modified epoxy seismic physical model material as described in one of claims 1 to 3, is characterized in that described method comprises:
Described component is by obtained described seismic physical model material after described consumption solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258122.6A CN104250425B (en) | 2013-06-26 | 2013-06-26 | The seismic physical model material and preparation method of a kind of silica nanometer powder modified epoxy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258122.6A CN104250425B (en) | 2013-06-26 | 2013-06-26 | The seismic physical model material and preparation method of a kind of silica nanometer powder modified epoxy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104250425A true CN104250425A (en) | 2014-12-31 |
| CN104250425B CN104250425B (en) | 2017-06-16 |
Family
ID=52185692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310258122.6A Active CN104250425B (en) | 2013-06-26 | 2013-06-26 | The seismic physical model material and preparation method of a kind of silica nanometer powder modified epoxy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104250425B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497776A (en) * | 2019-09-16 | 2021-03-16 | 中国石油化工股份有限公司 | Vertical velocity continuous change seismic physical model, material and model manufacturing method |
| CN113321862A (en) * | 2021-05-24 | 2021-08-31 | 黄锦鹏 | Plastic blended ultraviolet-resistant flame-retardant optical cable and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891936A (en) * | 2010-08-06 | 2010-11-24 | 上海交通大学 | Preparation method of composite material based on epoxy resin and phosphazene nanotubes |
| CN102040842A (en) * | 2010-10-28 | 2011-05-04 | 华南理工大学 | Autocatalytic crosslinking type organic silicon-epoxy composite material and preparation method thereof |
| CN101343399B (en) * | 2008-09-02 | 2011-10-12 | 中南大学 | Immingled filling material filled polyurethane modified epoxy resin embedding material and preparation method |
| CN102443245A (en) * | 2010-10-12 | 2012-05-09 | 中国石油化工股份有限公司 | Earthquake physical model and preparation method and application thereof |
-
2013
- 2013-06-26 CN CN201310258122.6A patent/CN104250425B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343399B (en) * | 2008-09-02 | 2011-10-12 | 中南大学 | Immingled filling material filled polyurethane modified epoxy resin embedding material and preparation method |
| CN101891936A (en) * | 2010-08-06 | 2010-11-24 | 上海交通大学 | Preparation method of composite material based on epoxy resin and phosphazene nanotubes |
| CN102443245A (en) * | 2010-10-12 | 2012-05-09 | 中国石油化工股份有限公司 | Earthquake physical model and preparation method and application thereof |
| CN102040842A (en) * | 2010-10-28 | 2011-05-04 | 华南理工大学 | Autocatalytic crosslinking type organic silicon-epoxy composite material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497776A (en) * | 2019-09-16 | 2021-03-16 | 中国石油化工股份有限公司 | Vertical velocity continuous change seismic physical model, material and model manufacturing method |
| CN112497776B (en) * | 2019-09-16 | 2022-09-06 | 中国石油化工股份有限公司 | Vertical velocity continuous change seismic physical model, material and model manufacturing method |
| CN113321862A (en) * | 2021-05-24 | 2021-08-31 | 黄锦鹏 | Plastic blended ultraviolet-resistant flame-retardant optical cable and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104250425B (en) | 2017-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102443245B (en) | Earthquake physical model and preparation method and application thereof | |
| CN102951875B (en) | Earthquake physical reservoir model, preparation method thereof and application thereof | |
| CN105001594B (en) | A kind of seismic physical model material and model | |
| CN104250424A (en) | Titanium dioxide nanopowder modified epoxy resin earthquake physical model material and preparation method thereof | |
| CN104250425A (en) | Silica nanopowder modified epoxy resin earthquake physical model material and preparation method thereof | |
| CN105863147B (en) | A kind of nano modification high durability concrete material and preparation method thereof | |
| CN102955168B (en) | A kind of seismic physical reservoir model and its preparation method and application | |
| CN103509315B (en) | A kind of seismic physical model material of epoxy resin composite polyurethane synthesis and preparation method | |
| Song et al. | Mechanical performance and microscopic mechanism of coastal cemented soil modified by iron tailings and nano silica | |
| CN103992617B (en) | A kind of doping vario-property epoxy resin seismic physical model material and preparation method | |
| CN103513268B (en) | A kind of seismic physical reservoir model and its preparation method and application | |
| CN110451893A (en) | A kind of development of cement base electromagnetism composite material, preparation method and applications | |
| CN104250430B (en) | A kind of P25 nano-powders epoxy resin seismic physical model material and preparation method | |
| CN112500028B (en) | Physical property parameter variable seismic physical model, material and model manufacturing method | |
| CN104109346B (en) | The seismic physical model material and preparation method of a kind of silicon powder modified epoxy | |
| CN103513269B (en) | A kind of seismic physical reservoir model and its preparation method and application | |
| CN104231544A (en) | Earthquake physical model material and preparation method thereof | |
| Qu et al. | Development and Evaluation of Large-Size Phase Change Proppants for Fracturing of Marine Natural Gas Hydrate Reservoirs | |
| Qian et al. | Grouting additives and information-based construction of jet grouting in the water-rich sand stratum | |
| CN107513251A (en) | A kind of epoxy resin seismic physical model material of graphene doping vario-property and preparation method thereof | |
| CN105440579B (en) | A kind of aqueous base seismic physical modeling reservoir material and its preparation method and application | |
| CN105585818B (en) | A kind of nickel modified polyurethane doping epoxy resin seismic physical model material and preparation method and application | |
| CN103508710B (en) | A kind of seismic physical reservoir model and its preparation method and application | |
| CN104341715A (en) | Physical earthquake model material and its preparation method | |
| CN104513461A (en) | Earthquake physical model, preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |